Question

please answer this question as soon as possible ​

Answer 1

Answer:

-36

Step-by-step explanation:

WE ARE ASKED TO FIND A20-A17

NTH TERM OF AN AP IS GIVEN BY AN=A+(N-1)D

D IS COMMON DIFFERENCE

A20=A+19D

A17=A+16D

SO

A20-A17 IS 3D

GIVEN THAT D=-12

3D=-36

HOPE IT HELPS!!

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AND ONE THING TRY TO HELP OTHERS NOT TO CHEAT CZ THEY HAD TRUST IN YOU